Questions tagged [cinterop]
29 questions
3
votes
0 answers
How to use cinterop in Kotlin Multiplatform Mobile projects
I want to integrate C code into a Kotlin Multiplatform Mobile project using the cinterop tool. I already spent some time on the documentation on Kotlin Multiplatform and Kotlin/Native but I can't seem to get it working.
Here is my…
Jan Deinhard
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2
votes
0 answers
Kotlin/Native How to include C-interop headers in the artifact?
I've added the headers like so in the build.gradle.kts file:
linuxX64 {
val main by compilations.getting
main.cinterops.create("x11") {
defFile("src/linuxX64Main/cinterop/x11.def")
compilerOpts.add("-I" +…
Animesh Sahu
- 7,445
- 2
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2
votes
1 answer
Can I safely use a string_view if I need to eventually need to get a char pointer?
I'm working on some C++ code that also eventually needs to call OS-level C code, for example scandir.
I'd like to use C++ for most of the codebase, which (to me) means that I'm mostly working with std::string instead of char pointers.
I have a…
Michael Stum
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2
votes
1 answer
Where to find (install) Kotlin cinterop tool on Mac
I would like to try to build Kotlin/Native project with dependencies on some library.
As documentation explains, I need to create def file (which I was already created) and run cinterop tool.
However, I wasn't able to find this tool on my Mac and…
Andrey
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1
vote
0 answers
In Kotlin Multiplatform, using gradle.kts, how do I determine the compilers used for targets like linuxX64, mingwX64, and mac/ios?
I need to know what compilers are being used so I can compile my C++ code with them.
I tried using the standard host compilers (for when the target == my host) and it did not work due to undefined standard library symbols. I was able to find the…
AndrewStone
- 517
- 4
- 14
1
vote
1 answer
Access tuple (defined by libc) using an index
I understand that Swift tuples cannot be indexed at runtime. However, I'm working with the POSIX terminal interface (defined by , which is part of libc).
In the C code, we are able to modify the state of the terminal by doing stuff like…
CYPS84
- 13
- 4
1
vote
1 answer
How to send a `vararg variadicArguments: kotlin.Any?` to a GObject native call with Kotlin Native?
I'm working on a GIR generator to create Kotlin Native bindings for GTK and other GObject based libraries. I reached a stage where I can almost compile the bindings for GLib but I'm stuck with the handling of varargs.
For example…
Roberto Leinardi
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1
vote
1 answer
How can I build a libcurl Kotlin Native application on Windows?
I'm relatively new to Kotlin Native, and to learn more about it, I am studying these two tutorials, one from the official JetBrains documentation and the other from the jonnyzzz blog, both focused on creating an application using C Interop and…
Alopex
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1
vote
2 answers
Kotlin/Native : How to import entire GTK4 Libs and headers to Kotlin Native C Interop?
I am learning C Interop with Kotlin Native. I successfully imported my sample C program using .Def file and executed the code in kotlin
So, I am thinking about import GTK4 libs, which is in C, to Kotlin/Native project and try a GTK app there
But…
RagAnt
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1
vote
2 answers
Does the documentation or language definition for R remark on the intended usage of R's integers?
A common comment that I see made about R's integer type is that it's only really intended for communication with C code. Do any statement like this appear in any official part of R's documentation? I often catch myself making vectors like…
J. Mini
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1
vote
0 answers
Kotlin's cinterop .def wont work with relative paths
I have a static library that needs to link to other static libraries.
When I attempt to run ./gradlew common:cinteropSomeLibIos :
I always get IllegalStateException: Could not find 'libabseil.a' binary in neither of [external/lib]
my def…
Maurycy
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1
vote
0 answers
How can I write bindings for the given C structure using dart ffi?
I was trying to write dart ffi bindings for the following C structure but I'm getting errors of all sorts. Can somebody help me with this?
typedef struct {
enum CXCursorKind kind;
int xdata;
const void *data[3];
} CXCursor;
Also for the…
bitbeast18
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- 1
- 4
1
vote
2 answers
Kotlin/native cinterop build problem with gradle
I'm experimenting with Kotlin native and iOS. I tried to use the example at raywenderlich as a starting point. This example is a bit old , so I have updated the code to fit the Kotlin multiplatform 1.3.61. I'm using AppCode to build the code.
I'm…
Trond Tunheim
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- 10
1
vote
1 answer
Kotlin Native: C objects ownership and lifespan
I've been trying to wrap CPointer types of native objects with the idea that the object controls the lifespan of the underlying native object.
In C++ terms, I would do something like:
class T {
private:
U other;
};
Or even:
class T {
public:
…
Sigma Octantis
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0
votes
0 answers
Including Objective-C library in kotlin mutliplatform project
I'm trying to include an objective-c library into a Kotlin multiplatform project.
If I do it with this hierarchy structure, like it is described in the docs it works:
Objective-C library -> main Kotlin multiplatform module (called "shared") -> iOS…
Balazs
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